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53511389 PB |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __MIPS_ASM_GINVT_H__ | |
3 | #define __MIPS_ASM_GINVT_H__ | |
4 | ||
5 | #include <asm/mipsregs.h> | |
6 | ||
7 | enum ginvt_type { | |
8 | GINVT_FULL, | |
9 | GINVT_VA, | |
10 | GINVT_MMID, | |
11 | }; | |
12 | ||
13 | #ifdef TOOLCHAIN_SUPPORTS_GINV | |
14 | # define _ASM_SET_GINV ".set ginv\n" | |
15 | #else | |
16 | _ASM_MACRO_1R1I(ginvt, rs, type, | |
17 | _ASM_INSN_IF_MIPS(0x7c0000bd | (__rs << 21) | (\\type << 8)) | |
18 | _ASM_INSN32_IF_MM(0x0000717c | (__rs << 16) | (\\type << 9))); | |
19 | # define _ASM_SET_GINV | |
20 | #endif | |
21 | ||
6074c33c | 22 | static __always_inline void ginvt(unsigned long addr, enum ginvt_type type) |
53511389 PB |
23 | { |
24 | asm volatile( | |
25 | ".set push\n" | |
26 | _ASM_SET_GINV | |
27 | " ginvt %0, %1\n" | |
28 | ".set pop" | |
29 | : /* no outputs */ | |
30 | : "r"(addr), "i"(type) | |
31 | : "memory"); | |
32 | } | |
33 | ||
34 | static inline void ginvt_full(void) | |
35 | { | |
36 | ginvt(0, GINVT_FULL); | |
37 | } | |
38 | ||
39 | static inline void ginvt_va(unsigned long addr) | |
40 | { | |
41 | addr &= PAGE_MASK << 1; | |
42 | ginvt(addr, GINVT_VA); | |
43 | } | |
44 | ||
45 | static inline void ginvt_mmid(void) | |
46 | { | |
47 | ginvt(0, GINVT_MMID); | |
48 | } | |
49 | ||
50 | static inline void ginvt_va_mmid(unsigned long addr) | |
51 | { | |
52 | addr &= PAGE_MASK << 1; | |
53 | ginvt(addr, GINVT_VA | GINVT_MMID); | |
54 | } | |
55 | ||
56 | #endif /* __MIPS_ASM_GINVT_H__ */ |